How to open ost file in outlook 2016?

Opt ost to pst converter online free tool which smoothly works to transfer emails, mails from damaged ost file to pst file. This tool to Export ost to PST, Gmail, Office, live exchange server, EML, EMLX MSG, MBOX, HTML, vCard, vCal, olm, PDF, and, etc. you can quickly try its tool which import emails properties like- to, bcc, cc, subject, date and etc. from ost to pst file.